BE336760A - - Google Patents
Info
- Publication number
- BE336760A BE336760A BE336760DA BE336760A BE 336760 A BE336760 A BE 336760A BE 336760D A BE336760D A BE 336760DA BE 336760 A BE336760 A BE 336760A
- Authority
- BE
- Belgium
- Prior art keywords
- circuit
- circuits
- lines
- relay
- telephone system
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000011664 signaling Effects 0.000 claims 1
- 101100203600 Caenorhabditis elegans sor-1 gene Proteins 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
- H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE336760A true BE336760A (OSRAM) |
Family
ID=14995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE336760D BE336760A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE336760A (OSRAM) |
-
0
- BE BE336760D patent/BE336760A/fr unknown
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